/*  -- 内外边距 -- */

.margin-0 {
  margin: 0;
}

.margin {
  margin: 20px;
}

.margin-top-xs {
  margin-top: 10px;
}
.margin-top {
  margin-top: 20px;
}

.margin-right-xs {
  margin-right: 10px;
}

.margin-right {
  margin-right: 20px;
}

.margin-bottom-xs {
  margin-bottom: 10px;
}

.margin-bottom-sm {
  margin-bottom: 10px;
}

.margin-bottom {
  margin-bottom: 15px;
}

.margin-left-xs {
  margin-left: 5px;
}

.margin-left-sm {
  margin-left: 10px;
}

.margin-left {
  margin-left: 15px;
}

.margin-lr {
  margin-left: 20px;
  margin-right: 20px;
}

.margin-tb {
  margin-top: 20px;
  margin-bottom: 20px;
}

.padding-0 {
  padding: 0;
}

.padding-xs {
  padding: 5px;
}

.padding {
  padding: 15px;
}

.padding-top-sm {
  padding-top: 15px;
}

.padding-top {
  padding-top: 20px;
}

.padding-right {
  padding-right: 20px;
}

.padding-bottom {
  padding-bottom: 20px;
}

.padding-left {
  padding-left: 20px;
}

.padding-lr {
  padding-left: 20px;
  padding-right: 20px;
}

.padding-lr-lg {
  padding-left: 25px;
  padding-right: 25px;
}

.padding-lr-xl {
  padding-left: 30px;
  padding-right: 30px;
}

.padding-lr-xxl {
  padding-left: 35px;
  padding-right: 35px;
}

.padding-tb-sm {
  padding-top: 15px;
  padding-bottom: 15px;
}

.padding-tb-md {
  padding-top: 19px;
  padding-bottom: 19px;
}

.padding-tb {
  padding-top: 20px;
  padding-bottom: 20px;
}






